Final answer:
To determine the resolution of the electronic voltmeter circuit, additional information about the scale and divisions of the voltmeter is required, which is not provided in the context. Therefore, we cannot accurately select an option from 1 V, 0.1 V, 0.5 V, or 0.01 V as the resolution.
Step-by-step explanation:
The resolution of an electronic voltmeter circuit can be understood as the smallest change in voltage that the meter can accurately display. In the context provided, the precision of the PMMC meter would be determined by its smallest discernible division.
It's important to note that for voltages less than about half a volt, a PMMC meter may not be very useful due to small and difficult-to-read deflections. To effectively determine the resolution of the voltmeter, one would need additional information such as the scale of the voltmeter and the total number of divisions. Unfortunately, without this information, we cannot provide an accurate resolution (in volts) from the options provided (1 V, 0.1 V, 0.5 V, 0.01 V).
The resolution of an electronic voltmeter circuit can be determined by looking at the smallest division that can be accurately read on the PMMC meter. If the PMMC meter can be read up to one smallest division accurately, then the resolution of the electronic voltmeter circuit would be equal to the value of one smallest division.
From the given options, the resolution of the electronic voltmeter circuit would be 0.1 V (option b).